// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CC_PLAYBACK_CLIP_DISPLAY_ITEM_H_
#define CC_PLAYBACK_CLIP_DISPLAY_ITEM_H_

#include <stddef.h>

#include <memory>
#include <vector>

#include "cc/base/cc_export.h"
#include "cc/playback/display_item.h"
#include "third_party/skia/include/core/SkRRect.h"
#include "ui/gfx/geometry/rect.h"

class SkCanvas;

namespace cc {

class CC_EXPORT ClipDisplayItem : public DisplayItem {
public:
    ClipDisplayItem(const gfx::Rect& clip_rect,
        const std::vector<SkRRect>& rounded_clip_rects,
        bool antialias);
    explicit ClipDisplayItem(const proto::DisplayItem& proto);
    ~ClipDisplayItem() override;

    void ToProtobuf(proto::DisplayItem* proto) const override;
    void Raster(SkCanvas* canvas,
        SkPicture::AbortCallback* callback) const override;
    void AsValueInto(const gfx::Rect& visual_rect,
        base::trace_event::TracedValue* array) const override;

    size_t ExternalMemoryUsage() const
    {
        return rounded_clip_rects_.capacity() * sizeof(rounded_clip_rects_[0]);
    }
    int ApproximateOpCount() const { return 1; }

private:
    void SetNew(const gfx::Rect& clip_rect,
        const std::vector<SkRRect>& rounded_clip_rects,
        bool antialias);

    gfx::Rect clip_rect_;
    std::vector<SkRRect> rounded_clip_rects_;
    bool antialias_;
};

class CC_EXPORT EndClipDisplayItem : public DisplayItem {
public:
    EndClipDisplayItem();
    explicit EndClipDisplayItem(const proto::DisplayItem& proto);
    ~EndClipDisplayItem() override;

    void ToProtobuf(proto::DisplayItem* proto) const override;
    void Raster(SkCanvas* canvas,
        SkPicture::AbortCallback* callback) const override;
    void AsValueInto(const gfx::Rect& visual_rect,
        base::trace_event::TracedValue* array) const override;

    int ApproximateOpCount() const { return 0; }
};

} // namespace cc

#endif // CC_PLAYBACK_CLIP_DISPLAY_ITEM_H_
